Home / 186,402.30-257,235.51-101,519.82

Finding the Fourth Proportional to 186,402.30, 257,235.51 and 101,519.82

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Solution

The fourth proportional to 186,402.30, 257,235.51 and 101,519.82 is: 140,097.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,402.30 : 257,235.51 = 101,519.82 : x
  2. Step 2: Convert to fraction form
    186,402.30/257,235.51 = 101,519.82/x
  3. Step 3: Cross multiply
    186,402.30x = 257,235.51 × 101,519.82
  4. Step 4: Simplify right side
    186,402.30x = 26,114,502,672.81
  5. Step 5: Solve for x
    x = 26,114,502,672.81/186,402.30
  6. Step 6: Final answer
    x = 140,097.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.